Numbers of the form (q1^b1)(q2^b2)(q3^b3)(q4^b4)(q5^b5)... where q1=7, q2=13, q3=19, q4=31, q5=37, ... (A002476) and b1>=b2>=b3>=b4>=b5...
A344473
Numbers of the form (q1^b1)(q2^b2)(q3^b3)(q4^b4)(q5^b5)... where q1=7, q2=13, q3=19, q4=31, q5=37, ... (A002476) and b1>=b2>=b3>=b4>=b5...
Terms
- a(0) =1a(1) =7a(2) =49a(3) =91a(4) =343a(5) =637a(6) =1729a(7) =2401a(8) =4459a(9) =8281a(10) =12103a(11) =16807a(12) =31213a(13) =53599a(14) =57967a(15) =84721a(16) =117649a(17) =157339a(18) =218491a(19) =375193a(20) =405769a(21) =593047a(22) =753571a(23) =823543a(24) =1101373a(25) =1529437a(26) =1983163a(27) =2626351a(28) =2840383a(29) =2989441
External references
- oeis: A344473